Aps Lined Ash Impoundment
Key Takeaway
Aps Lined Ash Impoundment is classified as significant hazard in New Mexico. It was completed in 2003 and is 23 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 63.2% in NM) |
| Dam Length | 4,200 ft |
| Dam Type | Earth |
| Max Storage | 830 acre-ft |
| Normal Storage | 98 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2003 (23 years old) |
| NID ID | NM00633 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ARIZONA PUBLIC SERVICE COMPANY
Public Utility
Nearby Dams
Aps Ash Pond Tailings Dam No. 3
San Juan, NM
Low Hazard 95 ftAps Lined Decant Water Pond
San Juan, NM
Significant Hazard 86 ftAps Ash Pond Tailings Dam No. 6
San Juan, NM
Low Hazard 90 ftMorgan Dam
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High Hazard 133 ftSan Juan Power Generation Dam
San Juan, NM
High Hazard 76 ftSan Juan South Pond 5
San Juan, NM
Significant Hazard 33 ftSan Juan South Pond 4
San Juan, NM
Significant Hazard 30 ftSan Juan South Pond 3
San Juan, NM
Significant Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Aps Lined Ash Impoundment?
Aps Lined Ash Impoundment is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Aps Lined Ash Impoundment?
Aps Lined Ash Impoundment is owned by ARIZONA PUBLIC SERVICE COMPANY (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Aps Lined Ash Impoundment built?
Aps Lined Ash Impoundment was completed in 2003, making it 23 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Aps Lined Ash Impoundment?
Aps Lined Ash Impoundment serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Aps Lined Ash Impoundment?
Aps Lined Ash Impoundment has a dam height of 40 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Aps Lined Ash Impoundment last inspected?
Aps Lined Ash Impoundment was last inspected on November 20, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.